8
Maintenance
In order to ensure operational safety, regular
checks must be carried out and, if necessary,
defects must be remedied immediately.
• Check the electrical equipment for prop-
er condition.
EN
• Fuses must not be repaired or bridged.
• Only original spare parts may be used.
• In general, the modem must always be
kept in a clean condition.
9
Malfunction
In the event of technical malfunctions or
problems, please contact our customer
service.
32
Maintenance/malfunction/disposal
10 Disposal
Environmental damage from incorrect
disposal
Incorrect or negligent disposal can
cause considerable environmental
pollution.
• Have electrical waste and elec-
tronic components disposed of by
specialist companies.
• Disposal must be carried out in
accordance with the applicable
national regulations.
In case of doubt, consult the manu-
facturer or obtain information from
the local municipal authorities or spe-
cialist disposal companies regarding
environmentally friendly disposal.